Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 934 [Rate centres in NPA 934] [Dial plan for NPA 934]

NXX: 400

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
934-400 A Port Jefferson NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132      
934-400 0 Port Jefferson NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132   2017-03-23   
934-400 1 Port Jefferson NY NYCMNYBXJMD  073H TELNYX LLC 132   2017-05-16   
934-400 2 Port Jefferson NY WHPLNYWPXOY  997E BANDWIDTH.COM CLEC, LLC - NY 132   2019-02-02   
934-400 3 Port Jefferson NY WHPLNYWPXOY  997E BANDWIDTH.COM CLEC, LLC - NY 132   2019-03-24   
934-400 4 Port Jefferson NY   744H TELXMEDIA, INC. - NY 132   2019-10-07   
934-400 5 Port Jefferson NY WHPLNYWPXOY  997E BANDWIDTH.COM CLEC, LLC - NY 132   2019-03-24   
934-400 6 Port Jefferson NY WHPLNYWPXOY  997E BANDWIDTH.COM CLEC, LLC - NY 132   2019-03-24   
934-400 7 Port Jefferson NY   744H TELXMEDIA, INC. - NY 132   2019-10-07   
934-400 8 Port Jefferson NY   1215 CORETEL NEW YORK, INC. - NY 132   2019-04-02   
934-400 9 Port Jefferson NY   744H TELXMEDIA, INC. - NY 132   2019-10-07   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.